Policy
Prevent access to registry editing tools
Disables the Windows registry editor Regedit.exe. If you enable this policy setting and the user tries to start Regedit.exe, a message appears explaining that a policy setting prevents the action. If you disable this policy setting or do not configure it, users can run Regedit.exe normally. To prevent users from using other administrative tools, use the "Run only specified Windows applications" policy setting.
cf6669c1d563 DisableRegedit Registry
Copy registry mappings
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools Policy notes
Disables the Windows registry editor Regedit.exe. If you enable this policy setting and the user tries to start Regedit.exe, a message appears explaining that a policy setting prevents the action. If you disable this policy setting or do not configure it, users can run Regedit.exe normally. To prevent users from using other administrative tools, use the "Run only specified Windows applications" policy setting.